Find $\mathbf {u } \cdot \mathbf { v }$ And the Angle Between

question 77

Essay

Find $\mathbf {u } \cdot \mathbf { v }$ and the angle between $\mathbf { u }$ and $\mathbf { v }$ for $\mathbf { u } = - 6 \mathbf { j }$ , $\mathbf { v } = - 2 \mathbf { i } + 2 \sqrt { 3 } \mathbf { j }$ .

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